Fountain pen



FIG. 1 is a front elevational view of a fountain pen in an exploded condition showing my new design;

FIG. 2 is a front elevational view with the cap member in place;

FIG. 3 is a rear elevational view of FIG. 2;

FIG. 4 is a left side elevational view of FIG. 2;

FIG. 5 is a right side elevational view of FIG. 2;

FIG. 6 is a perspective view of FIG. 2;

FIG. 7 is a bottom plan view of FIG. 2;

FIG. 8 is a top plan view of FIG. 2; and,

FIG. 9 is a fragmentary view of the nib portion thereof. 

The ornamental design for a fountain pen, as shown and described. 